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[media] V4L2: Add documentation for SDI timings and related flags

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Describe new needed constants defined by SDI format.

Signed-off-by: Charles-Antoine Couret <charles-antoine.couret@nexvision.fr>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Charles-Antoine Couret 2016-09-15 10:53:55 -03:00 committed by Mauro Carvalho Chehab
parent 7389e6ef34
commit e74c8cda4c
2 changed files with 39 additions and 7 deletions
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31
Documentation/media/uapi/v4l/vidioc-enuminput.rst
View File

@ -272,17 +272,34 @@ at index zero, incrementing by one until the driver returns ``EINVAL``.
- .. row 11
- :cspan:`2` Digital Video
- ``V4L2_IN_ST_NO_V_LOCK``
- 0x00000400
- No vertical sync lock.
- .. row 12
- ``V4L2_IN_ST_NO_STD_LOCK``
- 0x00000800
- No standard format lock in case of auto-detection format
by the component.
- .. row 13
- :cspan:`2` Digital Video
- .. row 14
- ``V4L2_IN_ST_NO_SYNC``
- 0x00010000
- No synchronization lock.
- .. row 13
- .. row 15
- ``V4L2_IN_ST_NO_EQU``
@ -290,7 +307,7 @@ at index zero, incrementing by one until the driver returns ``EINVAL``.
- No equalizer lock.
- .. row 14
- .. row 16
- ``V4L2_IN_ST_NO_CARRIER``
@ -298,11 +315,11 @@ at index zero, incrementing by one until the driver returns ``EINVAL``.
- Carrier recovery failed.
- .. row 15
- .. row 17
- :cspan:`2` VCR and Set-Top Box
- .. row 16
- .. row 18
- ``V4L2_IN_ST_MACROVISION``
@ -312,7 +329,7 @@ at index zero, incrementing by one until the driver returns ``EINVAL``.
signal to confuse video recorders. When this flag is set
Macrovision has been detected.
- .. row 17
- .. row 19
- ``V4L2_IN_ST_NO_ACCESS``
@ -320,7 +337,7 @@ at index zero, incrementing by one until the driver returns ``EINVAL``.
- Conditional access denied.
- .. row 18
- .. row 20
- ``V4L2_IN_ST_VTR``

15
Documentation/media/uapi/v4l/vidioc-g-dv-timings.rst
View File

@ -352,6 +352,13 @@ EBUSY
- The timings follow the VESA Generalized Timings Formula standard
- .. row 7
- ``V4L2_DV_BT_STD_SDI``
- The timings follow the SDI Timings standard.
There are no horizontal syncs/porches at all in this format.
Total blanking timings must be set in hsync or vsync fields only.
.. tabularcolumns:: |p{6.0cm}|p{11.5cm}|
@ -424,3 +431,11 @@ EBUSY
R'G'B' values use limited range (i.e. 16-235) as opposed to full
range (i.e. 0-255). All formats defined in CEA-861 except for the
640x480p59.94 format are CE formats.
- .. row 8
- ``V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE``
- Some formats like SMPTE-125M have an interlaced signal with a odd
total height. For these formats, if this flag is set, the first
field has the extra line. Else, it is the second field.